Home / 320,682.12-442,538.48-191,613.59

Finding the Fourth Proportional to 320,682.12, 442,538.48 and 191,613.59

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Solution

The fourth proportional to 320,682.12, 442,538.48 and 191,613.59 is: 264,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,682.12 : 442,538.48 = 191,613.59 : x
  2. Step 2: Convert to fraction form
    320,682.12/442,538.48 = 191,613.59/x
  3. Step 3: Cross multiply
    320,682.12x = 442,538.48 × 191,613.59
  4. Step 4: Simplify right side
    320,682.12x = 84,796,383,695.18
  5. Step 5: Solve for x
    x = 84,796,383,695.18/320,682.12
  6. Step 6: Final answer
    x = 264,425.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.